rvxvideo.cpp
上传用户:zhongxx05
上传日期:2007-06-06
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文件大小:9k
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- /****************************************************************************
- * Defines
- */
- // #define ASYNC_RESIZE_OK
- // #define ENABLE_TRACE
- #define RVX_VIDEO_RENDERER_NAME "RealVideo"
- /****************************************************************************
- * Includes
- */
- #include "hlxclib/stdio.h"
- #include "hlxclib/string.h"
- #include "rvxrend.ver"
- #include "hxtypes.h"
- #include "hxwintyp.h"
- #include "hxresult.h"
- #include "hxcom.h"
- #include "hxmime.h"
- #include "hxevent.h"
- #include "hxcomm.h"
- #include "ihxpckts.h"
- #include "hxcore.h"
- #include "hxrendr.h"
- #include "hxhyper.h"
- #include "hxplugn.h"
- #include "hxasm.h"
- #include "hxupgrd.h"
- #include "hxengin.h"
- #include "hxprefs.h"
- #include "hxerror.h"
- #include "hxwin.h"
- #include "hxvsurf.h"
- #include "hxvctrl.h"
- #include "hxsite2.h"
- #include "hxthread.h"
- #include "hxmon.h"
- #include "hxformt.h"
- #include "ihxfgbuf.h"
- #include "rvxvideo.h"
- #include "rvxvdfmt.h"
- #include "dllpath.h"
- #include "hxheap.h"
- #ifndef WIDTHBYTES
- #define WIDTHBYTES(i) ((ULONG32)((i+31)&(~31))/8) /* ULONG aligned ! */
- #endif
- /************************************************************************
- * CRVXVideoRenderer class
- */
- /************************************************************************
- * Constants
- */
- const char* const CRVXVideoRenderer::zm_pDescription = "RealNetworks RealVideo Renderer Plugin";
- const char* const CRVXVideoRenderer::zm_pStreamMimeTypes[] =
- {
- REALVIDEO_MIME_TYPE,
- REALVIDEO_MULTIRATE_MIME_TYPE,
- NULL
- };
- /************************************************************************
- * Constructor/Destructor
- */
- CRVXVideoRenderer::CRVXVideoRenderer(void)
- : m_pOutputAllocator(NULL)
- , m_ulPadWidthLeft(0)
- , m_ulPadWidthRight(0)
- , m_ulPadHeightTop(0)
- , m_ulPadHeightBottom(0)
- {
- ;
- }
- CRVXVideoRenderer::~CRVXVideoRenderer()
- {
- if (m_pActiveVideoPacket)
- {
- m_pActiveVideoPacket->Clear();
- delete m_pActiveVideoPacket;
- m_pActiveVideoPacket = NULL;
- }
- if (m_pOutputAllocator)
- {
- m_pOutputAllocator->Release();
- m_pOutputAllocator = NULL;
- }
- }
- HX_RESULT STDAPICALLTYPE CRVXVideoRenderer::HXCreateInstance(IUnknown** ppIUnknown)
- {
- *ppIUnknown = (IUnknown*)(IHXPlugin*) new CRVXVideoRenderer();
- if (*ppIUnknown)
- {
- (*ppIUnknown)->AddRef();
- return HXR_OK;
- }
- return HXR_OUTOFMEMORY;
- }
- HX_RESULT STDAPICALLTYPE CRVXVideoRenderer::CanUnload(void)
- {
- return CanUnload2();
- }
- HX_RESULT STDAPICALLTYPE CRVXVideoRenderer::CanUnload2(void)
- {
- return ((CHXBaseCountingObject::ObjectsActive() > 0) ? HXR_FAIL : HXR_OK);
- }
- /************************************************************************
- * Method:
- * IHXPlugin::GetPluginInfo
- * Purpose:
- * Returns the basic information about this plugin. Including:
- *
- * bLoadMultiple whether or not this plugin DLL can be loaded
- * multiple times. All File Formats must set
- * this value to TRUE.
- * pDescription which is used in about UIs (can be NULL)
- * pCopyright which is used in about UIs (can be NULL)
- * pMoreInfoURL which is used in about UIs (can be NULL)
- */
- STDMETHODIMP CRVXVideoRenderer::GetPluginInfo
- (
- REF(BOOL) /*OUT*/ bLoadMultiple,
- REF(const char*) /*OUT*/ pDescription,
- REF(const char*) /*OUT*/ pCopyright,
- REF(const char*) /*OUT*/ pMoreInfoURL,
- REF(ULONG32) /*OUT*/ ulVersionNumber
- )
- {
- HX_RESULT retVal;
- retVal = CVideoRenderer::GetPluginInfo(bLoadMultiple,
- pDescription,
- pCopyright,
- pMoreInfoURL,
- ulVersionNumber);
- if (SUCCEEDED(retVal))
- {
- pDescription = zm_pDescription;
- ulVersionNumber = TARVER_ULONG32_VERSION;
- }
-
- return retVal;
- }
- /************************************************************************
- * Method:
- * IHXRenderer::GetRendererInfo
- * Purpose:
- * If this object is a file format object this method returns
- * information vital to the instantiation of file format plugins.
- * If this object is not a file format object, it should return
- * HXR_UNEXPECTED.
- */
- STDMETHODIMP CRVXVideoRenderer::GetRendererInfo
- (
- REF(const char**) /*OUT*/ pStreamMimeTypes,
- REF(UINT32) /*OUT*/ unInitialGranularity
- )
- {
- HX_RESULT retVal;
- retVal = CVideoRenderer::GetRendererInfo(pStreamMimeTypes,
- unInitialGranularity);
- if (SUCCEEDED(retVal))
- {
- pStreamMimeTypes = (const char**)zm_pStreamMimeTypes;
- }
-
- return retVal;
- }
- /****************************************************************************
- * CreateFormatObject
- */
- CVideoFormat* CRVXVideoRenderer::CreateFormatObject(IHXValues* pHeader)
- {
- return new CRVXVideoFormat(m_pCommonClassFactory, this);
- }
- /****************************************************************************
- * GetRendererName
- */
- const char* CRVXVideoRenderer::GetRendererName(void)
- {
- return RVX_VIDEO_RENDERER_NAME;
- }
- /****************************************************************************
- * SetupBitmapDefaults
- */
- void CRVXVideoRenderer::SetupBitmapDefaults(IHXValues* pHeader,
- HXBitmapInfoHeader &bitmapInfoHeader)
- {
- // size calculation is taken from crvvideo
- bitmapInfoHeader.biSize = sizeof (HXBitmapInfoHeader);
- bitmapInfoHeader.biWidth = 0; // 352; // unknown
- bitmapInfoHeader.biHeight = 0; // 288; // unknown
- bitmapInfoHeader.biPlanes = 1;
- bitmapInfoHeader.biBitCount = RVXV_PIXEL_SIZE;
- bitmapInfoHeader.biCompression = RVXV_PIXEL_FORMAT;
- bitmapInfoHeader.biSizeImage = bitmapInfoHeader.biWidth *
- bitmapInfoHeader.biHeight *
- bitmapInfoHeader.biBitCount /
- 8;
- bitmapInfoHeader.biXPelsPerMeter = 0;
- bitmapInfoHeader.biYPelsPerMeter = 0;
- bitmapInfoHeader.biClrUsed = 0;
- bitmapInfoHeader.biClrImportant = 0;
- bitmapInfoHeader.rcolor = 0;
- bitmapInfoHeader.gcolor = 0;
- bitmapInfoHeader.bcolor = 0;
- }
- /****************************************************************************
- * AdjustVideoMapping
- */
- void CRVXVideoRenderer::AdjustVideoMapping(HXxRect &destRect,
- HXxRect &sorcRect,
- CMediaPacket*pActiveVideoPacket)
- {
- sorcRect.left = m_ulPadWidthLeft;
- sorcRect.top = m_ulPadHeightTop;
- sorcRect.right -= m_ulPadWidthRight;
- sorcRect.bottom -= m_ulPadHeightBottom;
- }
- /****************************************************************************
- * Method:
- * CRVXVideoRenderer::OnOptimizedVideo
- *
- */
- HX_RESULT CRVXVideoRenderer::OnOptimizedVideo(HX_RESULT status,
- const HXBitmapInfoHeader& sourceBIH,
- HXBitmapInfoHeader &targetBIH,
- ULONG32 &ulTargetBufCount)
- {
- HX_RESULT retVal = HXR_FAIL;
- #ifdef _WIN32
- SetDecodePriority(THREAD_PRIORITY_NORMAL);
- #endif // _WIN32
- retVal = CVideoRenderer::OnOptimizedVideo(status,
- sourceBIH,
- targetBIH,
- ulTargetBufCount);
- return retVal;
- }
- /****************************************************************************
- * Method:
- * CRVXVideoRenderer::OffOptimizedVideo
- *
- */
- void CRVXVideoRenderer::OffOptimizedVideo(void)
- {
- #ifdef _WIN32
- SetDecodePriority(THREAD_PRIORITY_BELOW_NORMAL);
- #endif // _WIN32
- return;
- }